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LM2591HVT-3.3 from NS,National Semiconductor

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LM2591HVT-3.3

Manufacturer: NS

SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2591HVT-3.3,LM2591HVT33 NS 2 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator The LM2591HVT-3.3 is a step-down (buck) switching regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 150 kHz  
- **Efficiency:** Up to 88%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220-5 (Through-Hole)  
- **Regulation Type:** PWM (Pulse Width Modulation)  
- **Protection Features:** Thermal shutdown, current limiting  

### **Descriptions:**  
The LM2591HVT-3.3 is a monolithic integrated circuit optimized for step-down voltage regulation. It is designed for easy implementation and requires minimal external components. The device is suitable for a wide range of applications, including power supplies, industrial controls, and automotive systems.  

### **Features:**  
- **Fixed 3.3V Output**  
- **Wide Input Voltage Range (4.5V to 40V)**  
- **High Efficiency (Up to 88%)**  
- **150 kHz Fixed-Frequency Internal Oscillator**  
- **Low Power Standby Mode (IQ < 80µA)**  
- **Thermal Shutdown and Current Limit Protection**  
- **Simple and Easy to Use**  
- **Available in TO-220 Package**  

This regulator is ideal for applications requiring a stable 3.3V supply from higher input voltages.

Application Scenarios & Design Considerations

SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator

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